Reporting a block by Windows 11 Smart App Control during the 1.16.5 to 1.19.6 upgrade. Event Viewer (ID 3077) confirms that the installer is attempting to load an unsigned temporary file: ...\AppData\Local\Temp\is-GTKBQ.tmp\Antigravity.tmp.

David_Wiltsee · March 4, 2026, 4:10am

Reporting a block by Windows Smart App Control during the 1.16.5 to 1.19.6 upgrade. Event Viewer (ID 3077) confirms that the installer is attempting to load an unsigned temporary file: ...\AppData\Local\Temp\is-GTKBQ.tmp\Antigravity.tmp. This unsigned component is causing a total installation failure on Windows 11.

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Reporting a block by Windows 11 Smart App Control during the 1.16.5 to 1.19.6 upgrade. Event Viewer (ID 3077) confirms that the installer is attempting to load an unsigned temporary file: ...\AppData\Local\Temp\is-GTKBQ.tmp\Antigravity.tmp.

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